Happy feeding and healthy development for your little ones with Avent Feeding Bottle, SCF663/27. Its anti-colic valve blocks air from entering into baby's stomach. It allows only milk to pass through the nipple with the required flow rate for baby's age. It ensures that the baby gets to have a natural feeding comfort. It also helps reduce discomfort and digestive disorders for baby to sleep comfortably at nights. It is made with durable, scratch resistant, BPA-free material. It is easy to clean and carry around because of its compact design. This pack contains 2 Avent Feeding Bottles.